The squadron also conducted counter-narcotic operations, monitoring of marine pollution in the Portuguese exclusive economic zone, and natural resource surveying.

[1][2] The squadron also performed medical evacuations in the archipelagos of Madeira and Azores, and surveillance against narcotic trafficking, illegal fishing, and pollution.

Additionally, it provided support to national agencies and institutions by conducting mineral and energy exploration surveys.

That same year, the squadron used a Wild RC8 vertical metric camera to perform the first aerial survey in Portugal.

[2] In 1991 the squadron was added to the fishing activity control, inspection and surveillance integrated system's (Portuguese: Sistema Integrado de vigilância, Fiscalização e Controlo das Actividades da Pesca, SIFICAP) command and in 1995 started operational flights with the C-212-300 equipped for maritime patrol and fisheries protection.